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WebDriverAgentLib/Utilities/XCUIApplicationProcessDelay.h

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+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ In certain cases WebDriverAgent fails to create a session because -[XCUIApplication launch] doesn't return
+ since it waits for the target app to be quiescenced.
+ The reason for this seems to be that 'testmanagerd' doesn't send the events WebDriverAgent is waiting for.
+ The expected events would trigger calls to '-[XCUIApplicationProcess setEventLoopHasIdled:]' and
+ '-[XCUIApplicationProcess setAnimationsHaveFinished:]', which are the properties that are checked to
+ determine whether an app has quiescenced or not.
+ Delaying the call to on of the setters can fix this issue.
+ */
+@interface XCUIApplicationProcessDelay : NSObject
+
+/**
+ Delays the invocation of '-[XCUIApplicationProcess setEventLoopHasIdled:]' by the timer interval passed
+ @param delay The duration of the sleep before the original method is called
+ */
++ (void)setEventLoopHasIdledDelay:(NSTimeInterval)delay;
+
+/**
+ Disables the delayed invocation of '-[XCUIApplicationProcess setEventLoopHasIdled:]'.
+ */
++ (void)disableEventLoopDelay;
+
+@end
+
+NS_ASSUME_NONNULL_END